I am using Debian 9 with KDE Plasma for work and fun, I just wanted to install Krita graphics app. It became an opportunity to tryout new instalation system called "snap". So I installed snapd and called (as root) /home/user# snap install krita.

Instead of new program installed I got these messages:

2017-08-09T23:47:17+02:00 INFO snap "core" has bad plugs or slots: core-support-plug (unknown interface)
[|] Run configure hook of "core" snap if present

And [|] Run configure hook of "core" snap if present seems like to run forever :(

How to repair this problem?


Rerunning /home/user# snap install krita gives another problems:

error: cannot perform the following tasks:
- Setup snap "core" (2462) security profiles (cannot setup seccomp for snap "core": fork/exec /usr/lib/snapd/snap-seccomp: no such file or directory)
- Setup snap "core" (2462) security profiles (fork/exec /usr/lib/snapd/snap-seccomp: no such file or directory)

PS: I would file a bug report but... I am really tired of setting up and maintaining another logins/password just to report it. 10 years ago, I could do it, but now it is too much. If a project is not on Github I pass.

  • Try as Root. See Usage
    – eyoung100
    Aug 9 '17 at 22:49
  • I did it as root, see the # before snap install krita ?
    – Marecky
    Aug 10 '17 at 9:46

According to this bug report comments snapd is failing if you install core and any snap at the same time.

To avoid the error you have to purge and reinstall snapd:

# apt purge snapd
# apt install snapd

Install the core snap:

# snap install --edge core

Install the snap you want, in this case krita:

# snap install krita
  • removing snapd with --purge -- won't that REMOVE ALL SNAPS??!
    – etyrnal
    Sep 10 at 0:30

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